CANCELLED: Hydraulic Power — Ram Air Turbine — Speed Limitation
- Published
- Effective
- Deadline
- Replaces
- 2006-0135
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators should remove the previously mandated speed limitations and related procedures from the Aircraft Flight Manual as the AD 2006-0135 is no longer applicable. No further action related to the original RAT speed limitation is required. Stakeholders should update their documentation and training to reflect this cancellation effective from 23 November 2022.
Summary
EASA Airworthiness Directive 2006-0135-CN is a cancellation notice affecting Airbus A318, A319, A320, and A321 aeroplanes equipped with Hamilton Sundstrand Ram Air Turbine (RAT) Part Numbers 762308, 762308A, or 766352. This document cancels the previous AD 2006-0135 which imposed speed limitations during flight tests with the RAT deployed due to a risk of RAT imbalance and potential structural damage. The cancellation reflects that all affected counterweights have been recovered and the original unsafe condition is no longer present.
What changed
EASA Airworthiness Directive 2006-0135-CN officially cancels the earlier AD 2006-0135 issued in 2006. The operational procedures and speed limitations previously required during flight tests with the RAT deployed are no longer necessary and can be removed from the Aircraft Flight Manual. This change is based on the recovery of all affected counterweights that caused the initial safety concern.
Why it matters
This cancellation relieves operators and maintenance organizations from the operational restrictions and limitations imposed by the original AD during flight tests involving the RAT. It simplifies compliance requirements and reduces administrative burden related to the Aircraft Flight Manual Temporary Revision. Ensuring that the unsafe condition is resolved maintains continued airworthiness and safety for affected Airbus A318 to A321 models.
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